Home / 50,705.64-76,400.76-42,014.39

Finding the Fourth Proportional to 50,705.64, 76,400.76 and 42,014.39

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Solution

The fourth proportional to 50,705.64, 76,400.76 and 42,014.39 is: 63,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,705.64 : 76,400.76 = 42,014.39 : x
  2. Step 2: Convert to fraction form
    50,705.64/76,400.76 = 42,014.39/x
  3. Step 3: Cross multiply
    50,705.64x = 76,400.76 × 42,014.39
  4. Step 4: Simplify right side
    50,705.64x = 3,209,931,102.49
  5. Step 5: Solve for x
    x = 3,209,931,102.49/50,705.64
  6. Step 6: Final answer
    x = 63,305.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.